At 60mph, how far will a car travel in 2 1/2 hours?

Iam so stuck. what is the worked out answer for this question?

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?